ACT Prolite Flywheel Kit w/ Counterweight CW03 — Fits 2004-2011 Mazda RX-8

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SKU: ACT600140-03
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

ACT Prolite Flywheel Kit with Counterweight CW03 for Mazda RX-8

Enhance your Mazda RX-8's performance with the ACT 600140-03 Prolite Flywheel Kit. This kit includes the essential ACT counterweight, required for proper installation on rotary applications. The Prolite series represents ACT's lightest flywheel offering, designed to significantly reduce rotational inertia. This translates to quicker throttle response and improved acceleration, making it an ideal choice for road racing and rally applications where every millisecond counts.

Key Features and Benefits:

  • Lightweight Design: ACT's Prolite flywheels are engineered for minimal weight, promoting faster engine revs and superior acceleration.
  • Optimized for Performance: Ideal for racing scenarios, offering the best in throttle response and acceleration gains.
  • Durable Construction: Crafted from premium materials, ensuring maximum strength, rigidity, and good heat tolerance.
  • Serviceable: The XACT flywheel design is serviceable and can be resurfaced without needing additional parts, extending its lifespan.
  • Precise Fitment: Specifically designed for various Mazda RX-8 models from 2004 to 2011, including Base, Grand Touring, R3, Shinka, Sport, and Touring trims.

While offering exceptional performance benefits, please note that lighter flywheels like the Prolite may result in slightly reduced drivability in daily driving conditions. This flywheel is built for those who prioritize track performance. Trust GGCRACING for your high-performance drivetrain needs.

Vehicle Fitment

Years Make Model Trim
2004-2007 Mazda RX-8 Base
2005 Mazda RX-8 Shinka
2008 Mazda RX-8 40th Anniversary Edition
2008-2009 Mazda RX-8 Touring
2008-2011 Mazda RX-8 Grand Touring
2008-2011 Mazda RX-8 Sport
2009-2011 Mazda RX-8 R3

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

ACT Prolite Flywheel Kit with Counterweight CW03 for Mazda RX-8

Enhance your Mazda RX-8's performance with the ACT 600140-03 Prolite Flywheel Kit. This kit includes the essential ACT counterweight, required for proper installation on rotary applications. The Prolite series represents ACT's lightest flywheel offering, designed to significantly reduce rotational inertia. This translates to quicker throttle response and improved acceleration, making it an ideal choice for road racing and rally applications where every millisecond counts.

Key Features and Benefits:

  • Lightweight Design: ACT's Prolite flywheels are engineered for minimal weight, promoting faster engine revs and superior acceleration.
  • Optimized for Performance: Ideal for racing scenarios, offering the best in throttle response and acceleration gains.
  • Durable Construction: Crafted from premium materials, ensuring maximum strength, rigidity, and good heat tolerance.
  • Serviceable: The XACT flywheel design is serviceable and can be resurfaced without needing additional parts, extending its lifespan.
  • Precise Fitment: Specifically designed for various Mazda RX-8 models from 2004 to 2011, including Base, Grand Touring, R3, Shinka, Sport, and Touring trims.

While offering exceptional performance benefits, please note that lighter flywheels like the Prolite may result in slightly reduced drivability in daily driving conditions. This flywheel is built for those who prioritize track performance. Trust GGCRACING for your high-performance drivetrain needs.

Vehicle Fitment

Years Make Model Trim
2004-2007 Mazda RX-8 Base
2005 Mazda RX-8 Shinka
2008 Mazda RX-8 40th Anniversary Edition
2008-2009 Mazda RX-8 Touring
2008-2011 Mazda RX-8 Grand Touring
2008-2011 Mazda RX-8 Sport
2009-2011 Mazda RX-8 R3

Product Details

Product Description

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

ACT Prolite Flywheel Kit with Counterweight CW03 for Mazda RX-8

Enhance your Mazda RX-8's performance with the ACT 600140-03 Prolite Flywheel Kit. This kit includes the essential ACT counterweight, required for proper installation on rotary applications. The Prolite series represents ACT's lightest flywheel offering, designed to significantly reduce rotational inertia. This translates to quicker throttle response and improved acceleration, making it an ideal choice for road racing and rally applications where every millisecond counts.

Key Features and Benefits:

  • Lightweight Design: ACT's Prolite flywheels are engineered for minimal weight, promoting faster engine revs and superior acceleration.
  • Optimized for Performance: Ideal for racing scenarios, offering the best in throttle response and acceleration gains.
  • Durable Construction: Crafted from premium materials, ensuring maximum strength, rigidity, and good heat tolerance.
  • Serviceable: The XACT flywheel design is serviceable and can be resurfaced without needing additional parts, extending its lifespan.
  • Precise Fitment: Specifically designed for various Mazda RX-8 models from 2004 to 2011, including Base, Grand Touring, R3, Shinka, Sport, and Touring trims.

While offering exceptional performance benefits, please note that lighter flywheels like the Prolite may result in slightly reduced drivability in daily driving conditions. This flywheel is built for those who prioritize track performance. Trust GGCRACING for your high-performance drivetrain needs.

Vehicle Fitment

Years Make Model Trim
2004-2007 Mazda RX-8 Base
2005 Mazda RX-8 Shinka
2008 Mazda RX-8 40th Anniversary Edition
2008-2009 Mazda RX-8 Touring
2008-2011 Mazda RX-8 Grand Touring
2008-2011 Mazda RX-8 Sport
2009-2011 Mazda RX-8 R3

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